/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* * Copyright (C) 2001 Havoc Pennington * Copyright (C) 2003 Rob Adams * Copyright (C) 2004, 2005 Elijah Newren * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . */ /** * SECTION:workspace * @title:MetaWorkspace * @short_description:Workspaces * * A workspace is a set of windows which all live on the same * screen. (You may also see the name "desktop" around the place, * which is the EWMH's name for the same thing.) Only one workspace * of a screen may be active at once; all windows on all other workspaces * are unmapped. */ #include #include "screen-private.h" #include #include "workspace-private.h" #include "boxes-private.h" #include #include #include #include #include #ifdef HAVE_LIBCANBERRA #include #endif enum { PROP_0, PROP_N_WINDOWS, }; void meta_workspace_queue_calc_showing (MetaWorkspace *workspace); static void focus_ancestor_or_top_window (MetaWorkspace *workspace, MetaWindow *not_this_one, guint32 timestamp); static void free_this (gpointer candidate, gpointer dummy); G_DEFINE_TYPE (MetaWorkspace, meta_workspace, G_TYPE_OBJECT); enum { WINDOW_ADDED, WINDOW_REMOVED, LAST_SIGNAL }; static guint signals [LAST_SIGNAL] = { 0 }; static void meta_workspace_finalize (GObject *object) { /* Actual freeing done in meta_workspace_remove() for now */ G_OBJECT_CLASS (meta_workspace_parent_class)->finalize (object); } static void meta_workspace_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { switch (prop_id) { default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void meta_workspace_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { MetaWorkspace *ws = META_WORKSPACE (object); switch (prop_id) { case PROP_N_WINDOWS: /* * This is reliable, but not very efficient; should we store * the list lenth ? */ g_value_set_uint (value, g_list_length (ws->windows)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void meta_workspace_class_init (MetaWorkspaceClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GParamSpec *pspec; object_class->finalize = meta_workspace_finalize; object_class->get_property = meta_workspace_get_property; object_class->set_property = meta_workspace_set_property; signals[WINDOW_ADDED] = g_signal_new ("window-added", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 1, META_TYPE_WINDOW); signals[WINDOW_REMOVED] = g_signal_new ("window-removed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 1, META_TYPE_WINDOW); pspec = g_param_spec_uint ("n-windows", "N Windows", "Number of windows", 0, G_MAXUINT, 0, G_PARAM_READABLE); g_object_class_install_property (object_class, PROP_N_WINDOWS, pspec); } static void meta_workspace_init (MetaWorkspace *workspace) { } static void maybe_add_to_list (MetaWindow *window, gpointer data) { GList **mru_list = data; if (window->on_all_workspaces) *mru_list = g_list_prepend (*mru_list, window); } MetaWorkspace* meta_workspace_new (MetaScreen *screen) { MetaWorkspace *workspace; workspace = g_object_new (META_TYPE_WORKSPACE, NULL); workspace->screen = screen; workspace->screen->workspaces = g_list_append (workspace->screen->workspaces, workspace); workspace->windows = NULL; workspace->mru_list = NULL; meta_screen_foreach_window (screen, META_LIST_DEFAULT, maybe_add_to_list, &workspace->mru_list); workspace->work_areas_invalid = TRUE; workspace->work_area_monitor = NULL; workspace->work_area_screen.x = 0; workspace->work_area_screen.y = 0; workspace->work_area_screen.width = 0; workspace->work_area_screen.height = 0; workspace->screen_region = NULL; workspace->monitor_region = NULL; workspace->screen_edges = NULL; workspace->monitor_edges = NULL; workspace->list_containing_self = g_list_prepend (NULL, workspace); workspace->builtin_struts = NULL; workspace->all_struts = NULL; workspace->showing_desktop = FALSE; return workspace; } /* Foreach function for workspace_free_struts() */ static void free_this (gpointer candidate, gpointer dummy) { g_free (candidate); } /** * workspace_free_all_struts: * @workspace: The workspace. * * Frees the combined struts list of a workspace. */ static void workspace_free_all_struts (MetaWorkspace *workspace) { if (workspace->all_struts == NULL) return; g_slist_foreach (workspace->all_struts, free_this, NULL); g_slist_free (workspace->all_struts); workspace->all_struts = NULL; } /** * workspace_free_builtin_struts: * @workspace: The workspace. * * Frees the struts list set with meta_workspace_set_builtin_struts */ static void workspace_free_builtin_struts (MetaWorkspace *workspace) { if (workspace->builtin_struts == NULL) return; g_slist_foreach (workspace->builtin_struts, free_this, NULL); g_slist_free (workspace->builtin_struts); workspace->builtin_struts = NULL; } void meta_workspace_remove (MetaWorkspace *workspace) { MetaScreen *screen; int i; g_return_if_fail (workspace != workspace->screen->active_workspace); /* Here we assume all the windows are already on another workspace * as well, so they won't be "orphaned" */ while (workspace->windows != NULL) { MetaWindow *window = workspace->windows->data; /* pop front of list we're iterating over */ meta_workspace_remove_window (workspace, window); g_assert (window->workspace != NULL); } g_assert (workspace->windows == NULL); screen = workspace->screen; workspace->screen->workspaces = g_list_remove (workspace->screen->workspaces, workspace); g_free (workspace->work_area_monitor); g_list_free (workspace->mru_list); g_list_free (workspace->list_containing_self); workspace_free_builtin_struts (workspace); /* screen.c:update_num_workspaces(), which calls us, removes windows from * workspaces first, which can cause the workareas on the workspace to be * invalidated (and hence for struts/regions/edges to be freed). * So, no point trying to double free it; that causes a crash * anyway. #361804. */ if (!workspace->work_areas_invalid) { workspace_free_all_struts (workspace); for (i = 0; i < screen->n_monitor_infos; i++) meta_rectangle_free_list_and_elements (workspace->monitor_region[i]); g_free (workspace->monitor_region); meta_rectangle_free_list_and_elements (workspace->screen_region); meta_rectangle_free_list_and_elements (workspace->screen_edges); meta_rectangle_free_list_and_elements (workspace->monitor_edges); } g_object_unref (workspace); /* don't bother to reset names, pagers can just ignore * extra ones */ } void meta_workspace_add_window (MetaWorkspace *workspace, MetaWindow *window) { g_return_if_fail (window->workspace == NULL); /* If the window is on all workspaces, we want to add it to all mru * lists, otherwise just add it to this workspaces mru list */ if (window->on_all_workspaces) { if (window->workspace == NULL) { GList *l; for (l = window->screen->workspaces; l != NULL; l = l->next) { MetaWorkspace* work = (MetaWorkspace*) l->data; if (!g_list_find (work->mru_list, window)) work->mru_list = g_list_prepend (work->mru_list, window); } } } else { g_assert (g_list_find (workspace->mru_list, window) == NULL); workspace->mru_list = g_list_prepend (workspace->mru_list, window); } workspace->windows = g_list_prepend (workspace->windows, window); window->workspace = workspace; meta_window_current_workspace_changed (window); if (window->struts) { meta_topic (META_DEBUG_WORKAREA, "Invalidating work area of workspace %d since we're adding window %s to it\n", meta_workspace_index (workspace), window->desc); meta_workspace_invalidate_work_area (workspace); } /* queue a move_resize since changing workspaces may change * the relevant struts */ meta_window_queue (window, META_QUEUE_CALC_SHOWING|META_QUEUE_MOVE_RESIZE); g_signal_emit (workspace, signals[WINDOW_ADDED], 0, window); g_object_notify (G_OBJECT (workspace), "n-windows"); } void meta_workspace_remove_window (MetaWorkspace *workspace, MetaWindow *window) { g_return_if_fail (window->workspace == workspace); workspace->windows = g_list_remove (workspace->windows, window); window->workspace = NULL; /* If the window is on all workspaces, we don't want to remove it * from the MRU list unless this causes it to be removed from all * workspaces */ if (window->on_all_workspaces) { GList *l; for (l = window->screen->workspaces; l != NULL; l = l->next) { MetaWorkspace* work = (MetaWorkspace*) l->data; work->mru_list = g_list_remove (work->mru_list, window); } } else { workspace->mru_list = g_list_remove (workspace->mru_list, window); g_assert (g_list_find (workspace->mru_list, window) == NULL); } meta_window_current_workspace_changed (window); if (window->struts) { meta_topic (META_DEBUG_WORKAREA, "Invalidating work area of workspace %d since we're removing window %s from it\n", meta_workspace_index (workspace), window->desc); meta_workspace_invalidate_work_area (workspace); } /* queue a move_resize since changing workspaces may change * the relevant struts */ meta_window_queue (window, META_QUEUE_CALC_SHOWING|META_QUEUE_MOVE_RESIZE); g_signal_emit (workspace, signals[WINDOW_REMOVED], 0, window); g_object_notify (G_OBJECT (workspace), "n-windows"); } void meta_workspace_relocate_windows (MetaWorkspace *workspace, MetaWorkspace *new_home) { GList *copy, *l; g_return_if_fail (workspace != new_home); /* can't modify list we're iterating over */ copy = g_list_copy (workspace->windows); for (l = copy; l != NULL; l = l->next) { MetaWindow *window = l->data; meta_workspace_remove_window (workspace, window); meta_workspace_add_window (new_home, window); } g_list_free (copy); g_assert (workspace->windows == NULL); } void meta_workspace_queue_calc_showing (MetaWorkspace *workspace) { GList *l; for (l = workspace->windows; l != NULL; l = l->next) meta_window_queue (l->data, META_QUEUE_CALC_SHOWING); } static void workspace_switch_sound(MetaWorkspace *from, MetaWorkspace *to) { #ifdef HAVE_LIBCANBERRA MetaWorkspaceLayout layout; int i, nw, x, y, fi, ti; const char *e; nw = meta_screen_get_n_workspaces(from->screen); fi = meta_workspace_index(from); ti = meta_workspace_index(to); meta_screen_calc_workspace_layout(from->screen, nw, fi, &layout); for (i = 0; i < nw; i++) if (layout.grid[i] == ti) break; if (i >= nw) { meta_bug("Failed to find destination workspace in layout\n"); goto finish; } y = i / layout.cols; x = i % layout.cols; /* We priorize horizontal over vertical movements here. The rationale for this is that horizontal movements are probably more interesting for sound effects because speakers are usually positioned on a horizontal and not a vertical axis. i.e. your spatial "Woosh!" effects will easily be able to encode horizontal movement but not such much vertical movement. */ if (x < layout.current_col) e = "desktop-switch-left"; else if (x > layout.current_col) e = "desktop-switch-right"; else if (y < layout.current_row) e = "desktop-switch-up"; else if (y > layout.current_row) e = "desktop-switch-down"; else { meta_bug("Uh, origin and destination workspace at same logic position!\n"); goto finish; } ca_context_play(ca_gtk_context_get(), 1, CA_PROP_EVENT_ID, e, CA_PROP_EVENT_DESCRIPTION, "Desktop switched", CA_PROP_CANBERRA_CACHE_CONTROL, "permanent", NULL); finish: meta_screen_free_workspace_layout (&layout); #endif /* HAVE_LIBCANBERRA */ } /** * meta_workspace_activate_with_focus: * @workspace: a #MetaWorkspace * @focus_this: the #MetaWindow to be focused, or %NULL * @timestamp: timestamp for @focus_this * * Switches to @workspace and possibly activates the window @focus_this. * * The window @focus_this is activated by calling meta_window_activate() * which will unminimize it and transient parents, raise it and give it * the focus. * * If a window is currently being moved by the user, it will be * moved to @workspace. * * The advantage of calling this function instead of meta_workspace_activate() * followed by meta_window_activate() is that it happens as a unit, so * no other window gets focused first before @focus_this. */ void meta_workspace_activate_with_focus (MetaWorkspace *workspace, MetaWindow *focus_this, guint32 timestamp) { MetaWorkspace *old; MetaWindow *move_window; MetaScreen *screen; MetaDisplay *display; MetaCompositor *comp; MetaWorkspaceLayout layout1, layout2; gint num_workspaces, current_space, new_space; MetaMotionDirection direction; meta_verbose ("Activating workspace %d\n", meta_workspace_index (workspace)); if (workspace->screen->active_workspace == workspace) return; /* Free any cached pointers to the workspaces's edges from * a current resize or move operation */ meta_display_cleanup_edges (workspace->screen->display); if (workspace->screen->active_workspace) workspace_switch_sound (workspace->screen->active_workspace, workspace); /* Note that old can be NULL; e.g. when starting up */ old = workspace->screen->active_workspace; workspace->screen->active_workspace = workspace; meta_screen_set_active_workspace_hint (workspace->screen); /* If the "show desktop" mode is active for either the old workspace * or the new one *but not both*, then update the * _net_showing_desktop hint */ if (old && (old->showing_desktop != workspace->showing_desktop)) meta_screen_update_showing_desktop_hint (workspace->screen); if (old == NULL) return; move_window = NULL; if (meta_grab_op_is_moving (workspace->screen->display->grab_op)) move_window = workspace->screen->display->grab_window; if (move_window != NULL) { if (move_window->on_all_workspaces) move_window = NULL; /* don't move it after all */ /* We put the window on the new workspace, flip spaces, * then remove from old workspace, so the window * never gets unmapped and we maintain the button grab * on it. * * \bug This comment appears to be the reverse of what happens */ if (move_window && (move_window->workspace != workspace)) { meta_workspace_remove_window (old, move_window); meta_workspace_add_window (workspace, move_window); } } meta_workspace_queue_calc_showing (old); meta_workspace_queue_calc_showing (workspace); /* FIXME: Why do we need this?!? Isn't it handled in the lines above? */ if (move_window) /* Removes window from other spaces */ meta_window_change_workspace (move_window, workspace); /* * Notify the compositor that the active workspace is changing. */ screen = workspace->screen; display = meta_screen_get_display (screen); comp = meta_display_get_compositor (display); direction = 0; current_space = meta_workspace_index (old); new_space = meta_workspace_index (workspace); num_workspaces = meta_screen_get_n_workspaces (workspace->screen); meta_screen_calc_workspace_layout (workspace->screen, num_workspaces, current_space, &layout1); meta_screen_calc_workspace_layout (workspace->screen, num_workspaces, new_space, &layout2); if (meta_ui_get_direction() == META_UI_DIRECTION_RTL) { if (layout1.current_col > layout2.current_col) direction = META_MOTION_RIGHT; else if (layout1.current_col < layout2.current_col) direction = META_MOTION_LEFT; } else { if (layout1.current_col < layout2.current_col) direction = META_MOTION_RIGHT; else if (layout1.current_col > layout2.current_col) direction = META_MOTION_LEFT; } if (layout1.current_row < layout2.current_row) { if (!direction) direction = META_MOTION_DOWN; else if (direction == META_MOTION_RIGHT) direction = META_MOTION_DOWN_RIGHT; else direction = META_MOTION_DOWN_LEFT; } if (layout1.current_row > layout2.current_row) { if (!direction) direction = META_MOTION_UP; else if (direction == META_MOTION_RIGHT) direction = META_MOTION_UP_RIGHT; else direction = META_MOTION_UP_LEFT; } meta_screen_free_workspace_layout (&layout1); meta_screen_free_workspace_layout (&layout2); meta_compositor_switch_workspace (comp, old, workspace, direction); /* This needs to be done after telling the compositor we are switching * workspaces since focusing a window will cause it to be immediately * shown and that would confuse the compositor if it didn't know we * were in a workspace switch. */ if (focus_this) { meta_window_activate (focus_this, timestamp); } else if (move_window) { meta_window_raise (move_window); } else { meta_topic (META_DEBUG_FOCUS, "Focusing default window on new workspace\n"); meta_workspace_focus_default_window (workspace, NULL, timestamp); } /* Emit switched signal from screen.c */ meta_screen_workspace_switched (screen, current_space, new_space, direction); } void meta_workspace_activate (MetaWorkspace *workspace, guint32 timestamp) { meta_workspace_activate_with_focus (workspace, NULL, timestamp); } int meta_workspace_index (MetaWorkspace *workspace) { int ret; ret = g_list_index (workspace->screen->workspaces, workspace); if (ret < 0) meta_bug ("Workspace does not exist to index!\n"); return ret; } void meta_workspace_update_window_hints (MetaWorkspace *workspace) { GList *l; for (l = workspace->windows; l != NULL; l = l->next) { MetaWindow *win = l->data; meta_window_current_workspace_changed (win); } } /** * meta_workspace_list_windows: * @workspace: a #MetaWorkspace * * Gets windows contained on the workspace, including workspace->windows * and also sticky windows. Override-redirect windows are not included. * * Return value: (transfer container) (element-type MetaWindow): the list of windows. */ GList* meta_workspace_list_windows (MetaWorkspace *workspace) { GSList *display_windows, *l; GList *workspace_windows; display_windows = meta_display_list_windows (workspace->screen->display, META_LIST_DEFAULT); workspace_windows = NULL; for (l = display_windows; l != NULL; l = l->next) { MetaWindow *window = l->data; if (meta_window_located_on_workspace (window, workspace)) workspace_windows = g_list_prepend (workspace_windows, window); } g_slist_free (display_windows); return workspace_windows; } void meta_workspace_invalidate_work_area (MetaWorkspace *workspace) { GList *windows, *l; int i; if (workspace->work_areas_invalid) { meta_topic (META_DEBUG_WORKAREA, "Work area for workspace %d is already invalid\n", meta_workspace_index (workspace)); return; } meta_topic (META_DEBUG_WORKAREA, "Invalidating work area for workspace %d\n", meta_workspace_index (workspace)); /* If we are in the middle of a resize or move operation, we * might have cached pointers to the workspace's edges */ if (workspace == workspace->screen->active_workspace) meta_display_cleanup_edges (workspace->screen->display); g_free (workspace->work_area_monitor); workspace->work_area_monitor = NULL; workspace_free_all_struts (workspace); for (i = 0; i < workspace->screen->n_monitor_infos; i++) meta_rectangle_free_list_and_elements (workspace->monitor_region[i]); g_free (workspace->monitor_region); meta_rectangle_free_list_and_elements (workspace->screen_region); meta_rectangle_free_list_and_elements (workspace->screen_edges); meta_rectangle_free_list_and_elements (workspace->monitor_edges); workspace->monitor_region = NULL; workspace->screen_region = NULL; workspace->screen_edges = NULL; workspace->monitor_edges = NULL; workspace->work_areas_invalid = TRUE; /* redo the size/position constraints on all windows */ windows = meta_workspace_list_windows (workspace); for (l = windows; l != NULL; l = l->next) { MetaWindow *w = l->data; meta_window_queue (w, META_QUEUE_MOVE_RESIZE); } g_list_free (windows); meta_screen_queue_workarea_recalc (workspace->screen); } static MetaStrut * copy_strut(MetaStrut *original) { return g_memdup(original, sizeof(MetaStrut)); } static GSList * copy_strut_list(GSList *original) { GSList *result = NULL; for (; original != NULL; original = original->next) result = g_slist_prepend (result, copy_strut (original->data)); return g_slist_reverse (result); } static void ensure_work_areas_validated (MetaWorkspace *workspace) { GList *windows; GList *tmp; MetaRectangle work_area; int i; /* C89 absolutely sucks... */ if (!workspace->work_areas_invalid) return; g_assert (workspace->all_struts == NULL); g_assert (workspace->monitor_region == NULL); g_assert (workspace->screen_region == NULL); g_assert (workspace->screen_edges == NULL); g_assert (workspace->monitor_edges == NULL); /* STEP 1: Get the list of struts */ workspace->all_struts = copy_strut_list (workspace->builtin_struts); windows = meta_workspace_list_windows (workspace); for (tmp = windows; tmp != NULL; tmp = tmp->next) { MetaWindow *win = tmp->data; GSList *s_iter; for (s_iter = win->struts; s_iter != NULL; s_iter = s_iter->next) { workspace->all_struts = g_slist_prepend (workspace->all_struts, copy_strut(s_iter->data)); } } g_list_free (windows); /* STEP 2: Get the maximal/spanning rects for the onscreen and * on-single-monitor regions */ g_assert (workspace->monitor_region == NULL); g_assert (workspace->screen_region == NULL); workspace->monitor_region = g_new (GList*, workspace->screen->n_monitor_infos); for (i = 0; i < workspace->screen->n_monitor_infos; i++) { workspace->monitor_region[i] = meta_rectangle_get_minimal_spanning_set_for_region ( &workspace->screen->monitor_infos[i].rect, workspace->all_struts); } workspace->screen_region = meta_rectangle_get_minimal_spanning_set_for_region ( &workspace->screen->rect, workspace->all_struts); /* STEP 3: Get the work areas (region-to-maximize-to) for the screen and * monitors. */ work_area = workspace->screen->rect; /* start with the screen */ if (workspace->screen_region == NULL) work_area = meta_rect (0, 0, -1, -1); else meta_rectangle_clip_to_region (workspace->screen_region, FIXED_DIRECTION_NONE, &work_area); /* Lots of paranoia checks, forcing work_area_screen to be sane */ #define MIN_SANE_AREA 100 if (work_area.width < MIN_SANE_AREA) { meta_warning ("struts occupy an unusually large percentage of the screen; " "available remaining width = %d < %d", work_area.width, MIN_SANE_AREA); if (work_area.width < 1) { work_area.x = (workspace->screen->rect.width - MIN_SANE_AREA)/2; work_area.width = MIN_SANE_AREA; } else { int amount = (MIN_SANE_AREA - work_area.width)/2; work_area.x -= amount; work_area.width += 2*amount; } } if (work_area.height < MIN_SANE_AREA) { meta_warning ("struts occupy an unusually large percentage of the screen; " "available remaining height = %d < %d", work_area.height, MIN_SANE_AREA); if (work_area.height < 1) { work_area.y = (workspace->screen->rect.height - MIN_SANE_AREA)/2; work_area.height = MIN_SANE_AREA; } else { int amount = (MIN_SANE_AREA - work_area.height)/2; work_area.y -= amount; work_area.height += 2*amount; } } workspace->work_area_screen = work_area; meta_topic (META_DEBUG_WORKAREA, "Computed work area for workspace %d: %d,%d %d x %d\n", meta_workspace_index (workspace), workspace->work_area_screen.x, workspace->work_area_screen.y, workspace->work_area_screen.width, workspace->work_area_screen.height); /* Now find the work areas for each monitor */ g_free (workspace->work_area_monitor); workspace->work_area_monitor = g_new (MetaRectangle, workspace->screen->n_monitor_infos); for (i = 0; i < workspace->screen->n_monitor_infos; i++) { work_area = workspace->screen->monitor_infos[i].rect; if (workspace->monitor_region[i] == NULL) /* FIXME: constraints.c untested with this, but it might be nice for * a screen reader or magnifier. */ work_area = meta_rect (work_area.x, work_area.y, -1, -1); else meta_rectangle_clip_to_region (workspace->monitor_region[i], FIXED_DIRECTION_NONE, &work_area); workspace->work_area_monitor[i] = work_area; meta_topic (META_DEBUG_WORKAREA, "Computed work area for workspace %d " "monitor %d: %d,%d %d x %d\n", meta_workspace_index (workspace), i, workspace->work_area_monitor[i].x, workspace->work_area_monitor[i].y, workspace->work_area_monitor[i].width, workspace->work_area_monitor[i].height); } /* STEP 4: Make sure the screen_region is nonempty (separate from step 2 * since it relies on step 3). */ if (workspace->screen_region == NULL) { MetaRectangle *nonempty_region; nonempty_region = g_new (MetaRectangle, 1); *nonempty_region = workspace->work_area_screen; workspace->screen_region = g_list_prepend (NULL, nonempty_region); } /* STEP 5: Cache screen and monitor edges for edge resistance and snapping */ g_assert (workspace->screen_edges == NULL); g_assert (workspace->monitor_edges == NULL); workspace->screen_edges = meta_rectangle_find_onscreen_edges (&workspace->screen->rect, workspace->all_struts); tmp = NULL; for (i = 0; i < workspace->screen->n_monitor_infos; i++) tmp = g_list_prepend (tmp, &workspace->screen->monitor_infos[i].rect); workspace->monitor_edges = meta_rectangle_find_nonintersected_monitor_edges (tmp, workspace->all_struts); g_list_free (tmp); /* We're all done, YAAY! Record that everything has been validated. */ workspace->work_areas_invalid = FALSE; } static gboolean strut_lists_equal (GSList *l, GSList *m) { for (; l && m; l = l->next, m = m->next) { MetaStrut *a = l->data; MetaStrut *b = m->data; if (a->side != b->side || !meta_rectangle_equal (&a->rect, &b->rect)) return FALSE; } return l == NULL && m == NULL; } /** * meta_workspace_set_builtin_struts: * @workspace: a #MetaWorkspace * @struts: (element-type Meta.Strut) (transfer none): list of #MetaStrut * * Sets a list of struts that will be used in addition to the struts * of the windows in the workspace when computing the work area of * the workspace. */ void meta_workspace_set_builtin_struts (MetaWorkspace *workspace, GSList *struts) { MetaScreen *screen = workspace->screen; GSList *l; for (l = struts; l; l = l->next) { MetaStrut *strut = l->data; int idx = meta_screen_get_monitor_index_for_rect (screen, &strut->rect); switch (strut->side) { case META_SIDE_TOP: if (meta_screen_get_monitor_neighbor (screen, idx, META_SCREEN_UP)) continue; strut->rect.height += strut->rect.y; strut->rect.y = 0; break; case META_SIDE_BOTTOM: if (meta_screen_get_monitor_neighbor (screen, idx, META_SCREEN_DOWN)) continue; strut->rect.height = screen->rect.height - strut->rect.y; break; case META_SIDE_LEFT: if (meta_screen_get_monitor_neighbor (screen, idx, META_SCREEN_LEFT)) continue; strut->rect.width += strut->rect.x; strut->rect.x = 0; break; case META_SIDE_RIGHT: if (meta_screen_get_monitor_neighbor (screen, idx, META_SCREEN_RIGHT)) continue; strut->rect.width = screen->rect.width - strut->rect.x; break; } } /* Reordering doesn't actually matter, so we don't catch all * no-impact changes, but this is just a (possibly unnecessary * anyways) optimization */ if (strut_lists_equal (struts, workspace->builtin_struts)) return; workspace_free_builtin_struts (workspace); workspace->builtin_struts = copy_strut_list (struts); meta_workspace_invalidate_work_area (workspace); } /** * meta_workspace_get_work_area_for_monitor: * @workspace: a #MetaWorkspace * @which_monitor: a monitor index * @area: (out): location to store the work area * * Stores the work area for @which_monitor on @workspace * in @area. */ void meta_workspace_get_work_area_for_monitor (MetaWorkspace *workspace, int which_monitor, MetaRectangle *area) { g_assert (which_monitor >= 0); ensure_work_areas_validated (workspace); g_assert (which_monitor < workspace->screen->n_monitor_infos); *area = workspace->work_area_monitor[which_monitor]; } /** * meta_workspace_get_work_area_all_monitors: * @workspace: a #MetaWorkspace * @area: (out): location to store the work area * * Stores the work area in @area. */ void meta_workspace_get_work_area_all_monitors (MetaWorkspace *workspace, MetaRectangle *area) { ensure_work_areas_validated (workspace); *area = workspace->work_area_screen; } GList* meta_workspace_get_onscreen_region (MetaWorkspace *workspace) { ensure_work_areas_validated (workspace); return workspace->screen_region; } GList* meta_workspace_get_onmonitor_region (MetaWorkspace *workspace, int which_monitor) { ensure_work_areas_validated (workspace); return workspace->monitor_region[which_monitor]; } #ifdef WITH_VERBOSE_MODE static char * meta_motion_direction_to_string (MetaMotionDirection direction) { switch (direction) { case META_MOTION_UP: return "Up"; case META_MOTION_DOWN: return "Down"; case META_MOTION_LEFT: return "Left"; case META_MOTION_RIGHT: return "Right"; case META_MOTION_UP_RIGHT: return "Up-Right"; case META_MOTION_DOWN_RIGHT: return "Down-Right"; case META_MOTION_UP_LEFT: return "Up-Left"; case META_MOTION_DOWN_LEFT: return "Down-Left"; } return "Unknown"; } #endif /* WITH_VERBOSE_MODE */ /** * meta_workspace_get_neighbor: * @workspace: a #MetaWorkspace * @direction: a #MetaMotionDirection, relative to @workspace * * Calculate and retrive the workspace that is next to @workspace, * according to @direction and the current workspace layout, as set * by meta_screen_override_workspace_layout(). * * Returns: (transfer none): the workspace next to @workspace, or * @workspace itself if the neighbor would be outside the layout */ MetaWorkspace* meta_workspace_get_neighbor (MetaWorkspace *workspace, MetaMotionDirection direction) { MetaWorkspaceLayout layout; int i, current_space, num_workspaces; gboolean ltr; current_space = meta_workspace_index (workspace); num_workspaces = meta_screen_get_n_workspaces (workspace->screen); meta_screen_calc_workspace_layout (workspace->screen, num_workspaces, current_space, &layout); meta_verbose ("Getting neighbor of %d in direction %s\n", current_space, meta_motion_direction_to_string (direction)); ltr = meta_ui_get_direction() == META_UI_DIRECTION_LTR; switch (direction) { case META_MOTION_LEFT: layout.current_col -= ltr ? 1 : -1; break; case META_MOTION_RIGHT: layout.current_col += ltr ? 1 : -1; break; case META_MOTION_UP: layout.current_row -= 1; break; case META_MOTION_DOWN: layout.current_row += 1; break; default:; } if (layout.current_col < 0) layout.current_col = 0; if (layout.current_col >= layout.cols) layout.current_col = layout.cols - 1; if (layout.current_row < 0) layout.current_row = 0; if (layout.current_row >= layout.rows) layout.current_row = layout.rows - 1; i = layout.grid[layout.current_row * layout.cols + layout.current_col]; if (i < 0) i = current_space; if (i >= num_workspaces) meta_bug ("calc_workspace_layout left an invalid (too-high) workspace number %d in the grid\n", i); meta_verbose ("Neighbor workspace is %d at row %d col %d\n", i, layout.current_row, layout.current_col); meta_screen_free_workspace_layout (&layout); return meta_screen_get_workspace_by_index (workspace->screen, i); } const char* meta_workspace_get_name (MetaWorkspace *workspace) { return meta_prefs_get_workspace_name (meta_workspace_index (workspace)); } void meta_workspace_focus_default_window (MetaWorkspace *workspace, MetaWindow *not_this_one, guint32 timestamp) { if (timestamp == CurrentTime) { meta_warning ("CurrentTime used to choose focus window; " "focus window may not be correct.\n"); } if (meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_CLICK || !workspace->screen->display->mouse_mode) focus_ancestor_or_top_window (workspace, not_this_one, timestamp); else { MetaWindow * window; window = meta_screen_get_mouse_window (workspace->screen, not_this_one); if (window && window->type != META_WINDOW_DOCK && window->type != META_WINDOW_DESKTOP) { if (timestamp == CurrentTime) { /* We would like for this to never happen. However, if * it does happen then we kludge since using CurrentTime * can mean ugly race conditions--and we can avoid these * by allowing EnterNotify events (which come with * timestamps) to handle focus. */ meta_topic (META_DEBUG_FOCUS, "Not focusing mouse window %s because EnterNotify events should handle that\n", window->desc); } else { meta_topic (META_DEBUG_FOCUS, "Focusing mouse window %s\n", window->desc); meta_window_focus (window, timestamp); } if (workspace->screen->display->autoraise_window != window && meta_prefs_get_auto_raise ()) { meta_display_queue_autoraise_callback (workspace->screen->display, window); } } else if (meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_SLOPPY) focus_ancestor_or_top_window (workspace, not_this_one, timestamp); else if (meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_MOUSE) { meta_topic (META_DEBUG_FOCUS, "Setting focus to no_focus_window, since no valid " "window to focus found.\n"); meta_display_focus_the_no_focus_window (workspace->screen->display, workspace->screen, timestamp); } } } static gboolean record_ancestor (MetaWindow *window, void *data) { MetaWindow **result = data; *result = window; return FALSE; /* quit with the first ancestor we find */ } /* Focus ancestor of not_this_one if there is one */ static void focus_ancestor_or_top_window (MetaWorkspace *workspace, MetaWindow *not_this_one, guint32 timestamp) { MetaWindow *window = NULL; if (not_this_one) meta_topic (META_DEBUG_FOCUS, "Focusing MRU window excluding %s\n", not_this_one->desc); else meta_topic (META_DEBUG_FOCUS, "Focusing MRU window\n"); /* First, check to see if we need to focus an ancestor of a window */ if (not_this_one) { MetaWindow *ancestor; ancestor = NULL; meta_window_foreach_ancestor (not_this_one, record_ancestor, &ancestor); if (ancestor != NULL && meta_window_located_on_workspace (ancestor, workspace) && meta_window_showing_on_its_workspace (ancestor)) { meta_topic (META_DEBUG_FOCUS, "Focusing %s, ancestor of %s\n", ancestor->desc, not_this_one->desc); meta_window_focus (ancestor, timestamp); /* Also raise the window if in click-to-focus */ if (meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_CLICK) meta_window_raise (ancestor); return; } } window = meta_stack_get_default_focus_window (workspace->screen->stack, workspace, not_this_one); if (window) { meta_topic (META_DEBUG_FOCUS, "Focusing workspace MRU window %s\n", window->desc); meta_window_focus (window, timestamp); /* Also raise the window if in click-to-focus */ if (meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_CLICK) meta_window_raise (window); } else { meta_topic (META_DEBUG_FOCUS, "No MRU window to focus found; focusing no_focus_window.\n"); meta_display_focus_the_no_focus_window (workspace->screen->display, workspace->screen, timestamp); } } /** * meta_workspace_get_screen: * @workspace: a #MetaWorkspace * * Gets the #MetaScreen that the workspace is part of. * * Return value: (transfer none): the #MetaScreen for the workspace */ MetaScreen * meta_workspace_get_screen (MetaWorkspace *workspace) { return workspace->screen; }